What powers sperky-image.cz?
Last seen Sep 2026 · 20 technologies across 16 categories
Advertising
Adform
since Jun 2024
Analytics
Google Analytics
since Jan 2019
Snowplow Analytics
since Apr 2023
CDN
jQuery CDN
since Feb 2022
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Live chat
Miscellaneous
Open Graph
since Sep 2022
Popper
since Apr 2022
Operating systems
Debian
since Jan 2019
Programming languages
PHP
since Jan 2019
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web frameworks
Nette Framework
since Jan 2019
Web servers
Webmail
Google Workspace
since Aug 2022
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 83% phone
- 17% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.60 / 10 · ranked #2,326,275 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 7.7 MB · 119 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Linode (Akamai) (212.71.248.83)
- DNS: forpsi.cz
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- Common Crawl link graph: rank 16,892,208, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Debian Jun 2026